12 results about "Hyperboloid structure" patented technology

The application relates to a spatial double-curved continuous bridge structure based on a non-uniform layering process and a construction method, and the concrete 3D printing bridge body comprises a plurality of longitudinally closely arranged arch span units, the middle part of the arch span unit is downwardly bent in the transverse direction, the middle part of the arch span unit is upwardly bent in the longitudinal direction, the whole is a double-curved structure, and the top part is provided with a longitudinal groove; each arch span unit comprises a plurality of longitudinally closely arranged U-shaped segmented printing components, and the segmentation lines between the U-shaped segmented printing components are distributed in a radial manner in the longitudinal direction. The application designs and constructs a spatial double-curved continuous bridge, combines the free forming capacity of the concrete 3D printing technology and the stress advantage of the arch structure, introduces non-uniform layering slicing, path optimization and multi-degree-of-freedom printing and other technologies, and can ensure the stability of the printing process and the quality of the components; meanwhile, the non-uniform layering control technology is adopted, accurate printing of variable layer thickness can be realized, and the effective connection of the printing components and the foundation and the steel structure and the positioning and installation precision of the whole bridge are ensured.

The utility model provides a multi-stage energy consumption combined damping seismic mitigation and isolation support which comprises an upper seat plate and a lower seat plate, the lower seat plate is located above the upper seat plate, a plane sliding plate is arranged at the top of the lower seat plate, a middle plate is arranged at the top of the plane sliding plate, a curved surface groove is formed in the top of the middle plate, and the curved surface groove is located in the middle plate. And an annular groove is formed in the bottom of the upper seat plate. The upper seat plate, the double-curved-surface plate, the middle plate and the two spherical sliding plates form a double-curved-surface structure, and the multiple wave-shaped damping elements form a wave-shaped steel damping structure. When an earthquake occurs, the device can automatically adjust the working state according to different earthquake magnitudes. In a small earthquake, a primary energy consumption mechanism of the double-curved-surface structure is utilized; when a large earthquake occurs, the lower shear pin is cut off, the wave-shaped steel damping structure is activated, and the wave-shaped steel damping structure and the hyperboloid structure work cooperatively, so that larger damping force output is achieved, displacement caused by the earthquake is effectively controlled, the earthquake response of structures such as bridges and buildings is remarkably reduced, and the safety of a main body structure is protected.

The invention provides a uniparted hyperboloid self-adaptive capturing manipulator, and relates to the technical field of space capturing. The folding and unfolding device comprises a folding and unfolding fixing frame, rope clusters, a rotating assembly and a driving motor, the multiple rope clusters are arranged on the folding and unfolding fixing frame, the first ends of the rope clusters are fixedly connected with the first end of the folding and unfolding fixing frame, the rotating assembly is arranged at the second end of the folding and unfolding fixing frame, and the second ends of the rope clusters are fixedly connected with the rotating assembly; the driving motor is arranged at the second end of the folding and unfolding fixing frame, and the driving end of the driving motor is connected with the rotating assembly. A uniparted hyperboloid structure is adopted, folding and unfolding deformation of the curved surface of the rope gripper can be achieved through simple rotation, and the capturing principle is formed. The rope is used as the gripper, and the advantages of flexibility and mechanical strength are achieved. And folding and unfolding in the height direction are achieved through the folding and unfolding fixing frame, and transportation is convenient. And by adopting a simple capturing principle and structure, engineering manufacturing and assembling and subsequent maintenance are easy to realize.

This invention discloses a structure and construction method for a steel-structured skylight with curtain walls, relating to the field of curtain wall construction technology. The overall shape of the skylight is a hyperboloid structure, vertically divided into multiple hyperboloid grids. Each hyperboloid grid includes two single-curved grids, each with a folded surface. The single-curved grids use flat glass panels with a four-sided support structure, and the glass panels are made of photovoltaic glass. Stainless steel gutters are installed between each folded surface of the single-curved grid. This invention employs a hyperboloid grid structure design, combining folded surfaces and single-curved grids to enhance the building's aesthetics and three-dimensionality. The gutters, combined with thermal insulation rock wool, meet drainage requirements and resolve issues of uneven heights and non-parallel spatial relationships between the glass panels, while ensuring thermal insulation performance.

This invention discloses a special tooling for processing sectors of a fusion reactor vacuum chamber, belonging to the field of tooling for processing nuclear fusion devices. The tooling includes a trapezoidal central frame, around which a left support, upper support, right support, and lower support are respectively installed. These four supports collectively support the hyperboloid structure components of a large magnetic confinement fusion vacuum chamber. This invention involves suspending the central frame and flipping the tooling, allowing the central frame to provide support for the entire device. The left, upper, right, and lower supports collectively support the hyperboloid structure components of the large magnetic confinement fusion vacuum chamber. The left, upper, right, and lower supports can be disassembled from the central frame, facilitating the sequential clamping and welding of workpieces. This effectively improves the assembly accuracy of different curved surfaces of the vacuum chamber, the processing and manufacturing accuracy of curved structures, reduces costs, and decreases workload.

The invention provides a heat storage body based on asymmetrical dissipation structure and electromagnetic field cooperation and a preparation method, the heat storage body comprises a spiral framework, a stress buffer layer and an energy storage core layer, the spiral framework is provided with an asymmetrical hyperboloid structure, the curvature of the inner wall of the asymmetrical hyperboloid structure is different from that of the outer portion of the asymmetrical hyperboloid structure, and the spiral framework is prepared from steel slag; the stress buffer layer is made of a negative thermal expansion ceramic material and covers the outer wall of the spiral framework, and the energy storage core layer is made of a solid waste-based composite phase change material and is filled in the spiral framework. Through the arrangement of the spiral framework, the radiation heat dissipation effect can be enhanced, the temperature gradient is reduced, internal stress and thermal stress are effectively inhibited, and the service life is prolonged; through the arrangement of the stress buffer layer, the energy storage core layer can be prevented from being greatly shrunk, and the destructive effect of thermal stress on the heat storage body is further relieved; by means of the arrangement of the energy storage core layer, the uniformity of an internal thermal field can be actively adjusted, and crack growth and collapse caused by uneven thermal stress are effectively restrained.

The invention relates to a space double-curved-surface continuous bridge structure based on a non-uniform lamination process and a construction method. A concrete 3D printing bridge body comprises a plurality of arch span units which are longitudinally and tightly arranged, the transverse middle portions of the arch span units are bent downwards, the longitudinal middle portions of the arch span units are bent upwards, the whole arch span units are of a double-curved-surface structure, and longitudinal grooves are formed in the tops of the arch span units; each arch span unit comprises a plurality of U-shaped segmented printing components which are tightly arranged in the longitudinal direction, and parting lines between the U-shaped segmented printing components are distributed in a radial mode in the longitudinal direction. A space double-curved-surface continuous bridge is designed and built, the free forming capacity of the concrete 3D printing technology and the stress advantage of an arch structure are combined, technologies such as non-uniform lamination slicing, path optimization and multi-degree-of-freedom printing are introduced, and the stability of the printing process and the quality of components can be ensured; and meanwhile, by adopting a non-uniform lamination control technology, accurate printing with variable layer thickness can be realized, and effective connection of a printing component, a foundation and a steel structure and the positioning and mounting precision of the whole bridge are ensured.

The invention discloses a double-curved-surface cable membrane sky screen system and an installation method thereof. The system comprises a supporting assembly installed on an external platform, a membrane cloth assembly arranged on the supporting assembly, a traction assembly for pulling the membrane cloth assembly and a drainage assembly for draining accumulated water flowing down from the membrane cloth assembly. The supporting assembly is formed by combining and splicing a socket frame, a track fixing piece and a pulley, the membrane cloth assembly comprises a double-curved-surface-structure awning membrane cloth and a tensioning part connected with the pulley, and the traction assembly comprises a winch arranged on an external platform, a traction rope connecting the winch with the tensioning part and a pulley structure making contact with the traction rope. According to the system, through accurate cooperation of all the assemblies, convenient and fast mounting and dismounting, flexible folding and unfolding, accumulated water guide and drainage and dynamic adjustment adapting to field working conditions of the sky curtain are achieved, the universality and practicability of the system are improved, the manpower and time cost is reduced, and the safety of the construction environment is guaranteed; and the construction efficiency of the building machine is effectively improved.

The invention discloses a hyperboloid GRG modeling modular design structure based on a large-area roof, comprising: a steel structure base layer assembled on a roof base layer; the edges of the upper concave mould plates and the lower convex mould plates are spliced together to form a double-curved-surface structure, and the double-curved-surface structure is assembled on the steel structure base layer; the first reinforcing structure comprises a first connecting seat, a first lifting piece and a second hanging rod, the first lifting piece is in butt joint with the top face of the upper concave mould plate, and the first connecting seat and the second connecting seat are assembled on the roof base layer through the second hanging rod; and the second reinforcing structure comprises a second connecting base, a second lifting piece and a third hanging rod, the second lifting piece is in butt joint with the top face of the downward-protruding mold plate, and the second connecting base and the second lifting piece are assembled on the roof base layer through the third hanging rod. The problems that an existing double-curved-surface GRG integral model is large in manufacturing forming and assembling difficulty, poor in assembling strength and structure shaping stability, and poor in appearance attractiveness and service life can be solved.

The invention provides a dynamic orthosis based on a hyperboloid structure and a control method of the dynamic orthosis. The dynamic orthosis comprises a dynamic orthosis body capable of being worn on a patient. The dynamic orthosis body comprises a first variable radius mechanism, a first variable spacing mechanism, a first variable phase mechanism, a variable height mechanism, a second variable phase mechanism, a second variable spacing mechanism and a second variable radius mechanism; the dynamic orthosis body further comprises a plurality of variable-length curved surface connecting rods which are movably connected with the first variable-radius mechanism and the second variable-radius mechanism through universal ball joints respectively; the device has the beneficial effects that the shape righting mechanism is designed by adopting a double-curved-surface structure, and the double curved surfaces can be timely adjusted through the variable-radius mechanism, the variable-spacing mechanism, the variable-phase mechanism and the variable-height mechanism; according to the design, the action position and the action size of orthopedic force can be adjusted in real time, meanwhile, the shape of the curved surface can be adjusted, and it is ensured that the orthopedic device can accurately apply force in various daily activities of a patient.

This invention provides a construction method for large-span irregular hyperboloid fair-faced concrete, belonging to the field of concrete construction technology. The method includes the following steps: construction preparation; modeling the large-span irregular hyperboloid structure and exporting two-dimensional drawings; on-site positioning and layout; assembling and adjusting the inner and outer formwork on-site; installing exposed joint strips at the construction joint location on the inner side of the outer formwork; binding and fixing the inner and outer formwork with reinforcing bars and ties; continuously pouring fair-faced concrete between the inner and outer formwork; sequentially removing the reinforcing bars and ties, the outer formwork, the exposed joint strips, and the inner formwork; and curing and surface treating the formed fair-faced concrete. This invention solves the problem of uneven demolding force due to improper operation during formwork removal, which can easily lead to edge cracking at exposed joints, and avoids increasing construction difficulty and affecting construction efficiency by filling the edge gaps.

The invention discloses a secondary reflection structure applied to a space condensation type solar cell system. The secondary reflection structure comprises a primary mirror, a secondary mirror, a secondary mirror support and a light funnel. The primary mirror comprises a primary mirror base body which is of a quadrilateral outline nearly parabolic spherical surface structure, a reflecting layer and a transparent infrared radiation layer are sequentially arranged on the optical working face of the primary mirror base body, and the dual functions of efficient optical reflection and passive radiation heat dissipation are achieved. And the optical working surface of the secondary mirror adopts a near-hyperboloid structure, and is fixed in a reflecting light path convergence area of the primary mirror through a secondary mirror bracket to secondarily reflect light rays reflected by the primary mirror. The light funnel is of a conical cavity structure, an inlet of the light funnel is connected with a secondary mirror reflection light path, and an outlet corresponds to the light receiving face of the battery piece to finish final light guiding. Through optical-thermal function integrated primary mirror design, accurate optical path construction and stable mechanical support, the heat dissipation problem of an optical element is effectively solved while high-power light condensation efficiency is ensured, and the adaptability and reliability of a system in a space environment are improved.